5 Best Foods for Muscle Growth (Backed by Nutrition Science) Building muscle isn’t just about lifting heavier weights, it’s about fueling your body with the right foods. These five muscle-building staples provide high-quality protein, essential amino acids, healthy fats, and complex carbs that support muscle repair, growth, and recovery. Whether you’re strength training, bulking, or simply trying to maintain lean muscle, adding these foods to your diet can help maximize results while supporting